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Using the Modem

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Using the Modem '~ I ~ r Trademarks I Telebit, TrailBlazer, TrailBlazer PC, Packetized Ensemble Protocol, Adaptive Duplex, and Dynamically Adaptive Multicarrier Quadrature Amplitude Modulation (DAMQAM) are trademarks of Telebit Corporation. Hayes is a registered trademark, and V -series and Smartcom III are trademark of Hayes Microcomputer Products, Inc. Touch-Tone is a registered trademark of American Telephone and Telegraph. MNP is a trademark of Microcom, Inc. Other Brands or product names are trademarks or registered trademarks of their respective holders. Firmware Copyright Notice This product contains firmware which has been copyrighted by Telebit Corporation, Sunnyvale, CA. All rights are reserved. YOUR RIGHTS OF OWNERSHIP ARE SUBJECT TO THE LIMITATIONS AND RESTRICTIONS IMPOSED BY THE COPYRIGHT LAWS (TITLE 17, UNITED STATES CODE). IT IS AGAINST THE LAW TO COPY, REPRODUCE, OR TRANSMIT (INCLUDING, WITHOUT LIMITATION, ELECTRONIC TRANSMISSION OVER ANY NETWORK) ANY PART OF THE FIRMWARE. THIS IS NOT A FULL STATEMENT OF THE COPYRIGHT LAWS. FOR A COMPLETE STATEMENT OF THE RESTRICTIONS IMPOSED ON YOU UNDER THE COPYRIGHT LAWS OF THE UNITED STATES, SEE TITLE 17, UNITED STATES CODE. Rev.D i Limitation of Warranty and Liability Telebit Corporation has prepared this document for use by Seller's personnel, customers, and licensees. The information contained in it is the property of Telebit Corporation and shall L not be copied, photocopied, translated or reproduced in any electronic or machine readable form, either in whole or in part, without the written approval of Telebit Corporation. ,~ Telebit Corporation or Seller shall not be responsible for any loss, cost, or damage caused by reliance on these materials. Telebit Corporation reserves the right to, without notice, modify or revise all or part of this document and/or change product features or specifications. Telebit, Seller, or any dealer distributing this product, makes NO WARRANTY, EXPRESSED or IMPLIED, with respect to this manual, and any related items, its quality, performance, r -. merchantability, or fitness for any particular use, It is solely L .. the purchaser's responsibility to determine its suitability for any particular purpose. Telebit Corporation and Seller will in no event be held liable for direct, indirect, or incidental damages resulting from any defect or omission in this manual, or any other related items and processes, including, but not limited to, any interruption of services, loss of business or anticipatory profits, or other L.:.... _, consequential damages. Copyright © 1991 Telebit Corporation. Printed in U.S.A. L 11 Rev.D r FCC Standards This equipment generates and uses radio frequency energy, and if not installed and used in strict accordance with the instructions in this manual, may cause interference to radio and television reception. It has been tested and found to comply with the limits for a Class A computing device under Part 15 of the FCC Rules, which are designed to provide reasonable protection against such interference in a commercial installation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television reception, which can be determined by turning the modem on and off, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient the receiving antenna. • Move the modem away from the receiver, or relocate the receiver with respect to the modem. • Plug the modem into a different outlet so that the modem and receiver are on different branch circuits. If necessary, you should talk to your dealer or any experienced radio/television technician for additional suggestions. You may find a booklet prepared by the FCC entitled "How to Identify and Resolve Radio-TV Interference Problems" helpful in resolving any problems. This booklet is available from the U.S. Government Printing Office, Washington DC 20402, Stock Number 004-000-00345-4. Rev. 0 111 r - FCC Notice to Users '= 1. Upon request only, you must notify your telephone utility company (telco) of your intentions to install or permanently remove an FCC Part 68 registered device, and provide them with the following information: The telephone number to which the equipment will • be connected. ,- • FCC registration number ER95W5-17716-MO-E. • Ringer equivalence numbers O.2A and O.3B. • Modular jack number USOC RJIIC or RJ45S. 2. The equipment may not be used on telco coin-operated telephone lines. Party lines and privately owned coin- operated telephone lines are subject to local and state '-- regulatory policies, and possible additional state special features. 3. The telephone company has the right to make changes to their network which may affect the operation of your r equipment, provided you are given adequate advance written notice to permit correct operation. 4. In the event of operational problems, disconnect your L unit by removing the modular jack from the telco's termination. If your regular phone still works properly, b your modem may need to be returned for repairs in or out of warranty. If after disconnecting the equipment, your regular telephone does not operate correctly, L notify your telephone company that they may have a problem, and request prompt service at no cost to you the user. If a problem is found in premises wiring not L-- .. telco-installed, you will be subject to an authorized service charge. If a fault is found in telco-installed wiring, you may be subject to a charge for the service call. iv Rev.D 5. Except as instructed in the Diagnostics and Service chapter of this manual, the user may not under any circumstances (in or out of warranty) attempt any service, adjustments or repairs on this unit. It must be returned to the factory or authorized service agency for all such work. Refer to your Warranty Registration and Customer Service Information at the end of this manual for instructions on returning your modem for repair. 6. If the equipment is to be placed behind a PBX or KTS system, it comes under a special FCC category requiring the written approval of the PBX/KTS owner as well as additional FCC registration. Rev. 0 v '-- rr I I ij i+ Introduction Insta Ilation Using the Modem Conventional Command Mode Configuration Guidelines Command Descriptions Register Descriptions Enhanced Command Mode Configuration Guidelines Command Descriptions Register Descriptions Di nostics and Service Technical Su rt Procedures Appendices Glossary Index ,- vii Contents Cha pter 1 In troduction ........................................................ 1·1 Chapter 2 Installation ......................................................... 2-1 Equipment Check List ................................................ 2-1 Installation Check List ................................................ 2-2 Connecting the AC Power Cord .................................. 2-3 Connecting the RS-232C Cable .................................. 2-4 Connecting the Telephone Line .................................. 2-4 Connecting a Telephone ............................................. 2-5 After Completing the Installation ................................ 2-5 Chapter 3 Using the Modem ....................................... 3-1 Memory Organization ................................................ 3-1 : Default Configuration Selection ................................. 3-3 Front Panel Controls and Indicators ............................ 3-5 Selecting Conventional or Enhanced Command Mode3-8 Enhanced Command Mode ........................................ 3- 8 Conventional Command Mode ................................... 3-9 PEPSDLCMode ...................................•.................. 3-10 SDLC Configuration Procedure ................................ 3-10 Command Mode Operation ...................................... 3-12 Result Codes ............................................................. 3-13 U sing the Dial Command .......................................... 3-13 U sing the Auto Answer Feature ................................ 3-14 Changing from Voice to Data Connection ................ 3-14 U sing the Callback Security Feature ......................... 3-15 Chapter 4 Conventional Command Mode ................. 4-1 Configuration Guidelines ........................................... 4-1 Attended or Unattended Mode ................................... .4-2 Transmission Mode Considerations ........................... .4-2 Serial Port Interface Speed and Flow Control ............ .4-4 Serial Port Interface Speed ................................... .4-4 Serial Port Flow Control ...................................... .4-4 Rev. 0 Contents 1 L RS-232 Control Signal Interpretations ....................... .4-5 DCD Signal Handling .......................................... .4-5 DTR Signal Interpretation .................................... 4-5 RTS/CfS Signal Handling .................................. .4-6 DSR Signal Handling .......................................... .4-6 File Transfer Protocol Support .................................... 4-6 MNP Support .............................................................. 4-7 Command Descriptions ............................................ 4-9 i~ ECM Access Character .................................... .4-9 r A Answer ............................................................ 4-10 B(n) 1200 bps Mode Selection ............................... .4-10 D(n) Dial ................................................................. 4-11 E(n)
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